export interface CarService {
	addCar(userid: string, courseId: string): Promise<Object>;
	getCarList(userid: string, OrderNumber: number): Promise<Array<Object>>;
	updateOrder(orderNumber: number, userid: string): Promise<Object>;
	deleteCar(userid: string, courseid: string): Promise<Object>;
	getCarPayList(userid: string): Promise<Object>
}